操作	旧版本	新版本	d.ts文件
自定义类型变更	类名：accessibility； API声明：type EventType = 'accessibilityFocus' | 'accessibilityFocusClear' | 'click' | 'longClick' | 'focus' | 'select' | 'hoverEnter' | 'hoverExit' | 'textUpdate' | 'textSelectionUpdate' | 'scroll' | 'requestFocusForAccessibility' | 'announceForAccessibility'; 差异内容：'accessibilityFocus' | 'accessibilityFocusClear' | 'click' | 'longClick' | 'focus' | 'select' | 'hoverEnter' | 'hoverExit' | 'textUpdate' | 'textSelectionUpdate' | 'scroll' | 'requestFocusForAccessibility' | 'announceForAccessibility'	类名：accessibility； API声明：type EventType = 'accessibilityFocus' | 'accessibilityFocusClear' | 'click' | 'longClick' | 'focus' | 'select' | 'hoverEnter' | 'hoverExit' | 'textUpdate' | 'textSelectionUpdate' | 'scroll' | 'requestFocusForAccessibility' | 'announceForAccessibility' | 'requestFocusForAccessibilityNotInterrupt' | 'announceForAccessibilityNotInterrupt' | 'scrolling'; 差异内容：'accessibilityFocus' | 'accessibilityFocusClear' | 'click' | 'longClick' | 'focus' | 'select' | 'hoverEnter' | 'hoverExit' | 'textUpdate' | 'textSelectionUpdate' | 'scroll' | 'requestFocusForAccessibility' | 'announceForAccessibility' | 'requestFocusForAccessibilityNotInterrupt' | 'announceForAccessibilityNotInterrupt' | 'scrolling'	api/@ohos.accessibility.d.ts
新增API	NA	类名：accessibility； API声明：function isScreenReaderOpenSync(): boolean; 差异内容：function isScreenReaderOpenSync(): boolean;	api/@ohos.accessibility.d.ts
新增API	NA	类名：accessibility； API声明：function on(type: 'screenReaderStateChange', callback: Callback<boolean>): void; 差异内容：function on(type: 'screenReaderStateChange', callback: Callback<boolean>): void;	api/@ohos.accessibility.d.ts
新增API	NA	类名：accessibility； API声明：function off(type: 'screenReaderStateChange', callback?: Callback<boolean>): void; 差异内容：function off(type: 'screenReaderStateChange', callback?: Callback<boolean>): void;	api/@ohos.accessibility.d.ts
新增API	NA	类名：EventInfo； API声明：textResourceAnnouncedForAccessibility?: Resource; 差异内容：textResourceAnnouncedForAccessibility?: Resource;	api/@ohos.accessibility.d.ts
新增API	NA	类名：ElementAttributeValues； API声明：accessibilityNextFocusId?: number; 差异内容：accessibilityNextFocusId?: number;	api/application/AccessibilityExtensionContext.d.ts
新增API	NA	类名：ElementAttributeValues； API声明：customComponentType?: string; 差异内容：customComponentType?: string;	api/application/AccessibilityExtensionContext.d.ts
新增API	NA	类名：ElementAttributeValues； API声明：extraInfo?: string; 差异内容：extraInfo?: string;	api/application/AccessibilityExtensionContext.d.ts
新增API	NA	类名：ElementAttributeValues； API声明：accessibilityPreviousFocusId?: number; 差异内容：accessibilityPreviousFocusId?: number;	api/application/AccessibilityExtensionContext.d.ts
新增API	NA	类名：ElementAttributeValues； API声明：accessibilityScrollable?: boolean; 差异内容：accessibilityScrollable?: boolean;	api/application/AccessibilityExtensionContext.d.ts